Two process control signaling schemes were to be supported — the 0 to 10 VDC analog signal, and the venerable 4-20 mA current loop. All that’s needed for both outputs is an Arduino and an ...

A signal-injection circuit for control-loop analysis is flat from dc to 200 kHz, isolated from chassis ground and easily constructed with a readily available instrumentation amplifier Brian Keeney ...

Milpitas, Calif.—Linear Technology Corp. has developed a higher voltage version of its LT3652 monolithic buck battery charger for modern battery chemistries.. The LT3652HV offers a wider battery float ...